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Journal of Population Sciences

Table 7 Early age at first intercourse and mark at high school: heterogeneity of respondent’s characteristics—all students

From: Adolescent sexual behaviour and academic performance of Italian students

 

OLS

 

Coef.

SE

Coef.

SE

Early age at first intercourse

0.282

(0.190)

− 0.149**

(0.058)

Gender: man (ref. (woman)

− 0.304***

(0.017)

− 0.303***

(0.017)

Survey: 2017 (ref. 2000)

0.038**

(0.018)

0.038**

(0.018)

Mark low-secondary school

0.320***

(0.008)

0.315***

(0.007)

He/she was doing volunteering

    

often when she/he was 14–18

0.028

(0.028)

0.034

(0.029)

He/she was doing sport often

    

when she/he was 14–18

− 0.119***

(0.019)

− 0.126***

(0.020)

Early age at first intercourse*

    

Mark low-secondary school (interaction)

− 0.046**

(0.023)

  

Early age at first intercourse*

    

He/she was doing volunteering

    

often when she/he was 14–18 (interaction)

  

− 0.052

(0.086)

Early age at first intercourse *

    

He/she was doing sport often

    

when she/he was 14–18 (interaction)

  

0.074

(0.065)

Observations

12,443

 

12,443

 
  1. Significance levels as follows: *** p <0.01, ** p <0.05, * p <0.1